To avoid the attention of inverter maintenance problems, remove some misconceptions, so for the inverter operation and maintenance will be good.
The frequency of the device should not be installed on the vibration of the device, because the main circuit of the converter inside the connection screw is easy to loose, there are a lot of frequency converter because of this damage.
Wiring problem: the input end of the inverter is best connected with an air current to protect the value of the current can not be too large, in order to prevent the occurrence of short circuit burn will not be too serious. The "N" must not be grounded. Control line as long as not too long. Because of this, the control panel is easy to be interfered by electromagnetic wave, and can cause the damage of the control board, and the shielding wire is more than 2 meters long. Next to the converter is not equipped with large current and often the action of the contactor, because it is very large interference to the converter, often make the inverter malfunction (show a variety of faults).
Often need to stop the frequency converter is best not to rely on the inverter itself brake, but the other brake electric yin or mechanical brake, otherwise the inverter is often affected by the motor back electromotive force, failure rate will be greatly improved.
If the inverter is often low speed running 15HZ, then the motor to increase the cooling fan!!
Dust and humidity is the most deadly killer inverter. The best drive is installed in the air conditioning room, or installed in the electric cabinet into dust net, regular cleaning dust in the radiator on the circuit board and the inverter; a period of shutdown in power before the best use a hair dryer blowing over the circuit board.